2018553920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331999}}^1$

素因数の和:332035

約数の個数: 56

約数和(自身を含む): 5059680000

約数和(自身を除く): 3041126080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 331999, 663998, 1327996, 1659995, 2655992, 3319990, 5311984, 6307981, 6639980, 10623968, 12615962, 13279960, 21247936, 25231924, 26559920, 31539905, 50463848, 53119840, 63079810, 100927696, 106239680, 126159620, 201855392, 252319240, 403710784, 504638480, 1009276960, 2018553920]

約数ペア:

[(1, 2018553920), (2, 1009276960), (4, 504638480), (5, 403710784), (8, 252319240), (10, 201855392), (16, 126159620), (19, 106239680), (20, 100927696), (32, 63079810), (38, 53119840), (40, 50463848), (64, 31539905), (76, 26559920), (80, 25231924), (95, 21247936), (152, 13279960), (160, 12615962), (190, 10623968), (304, 6639980), (320, 6307981), (380, 5311984), (608, 3319990), (760, 2655992), (1216, 1659995), (1520, 1327996), (3040, 663998), (6080, 331999)]